1.This is for a multiplier, a port connect to the motherboard 9pin (10pin), divided to 4x 9-pin (10-pin). 2.Port Multiplier Version: 1 to 4 3.Connector A: 9-pin USB 2.0 male 4.Connector (s) B: 4x9-pin USB 2.0 female 5.It includes dual chipset, works well and is stable 6.With back glue, it can be directly fixed on the main board or chassis firmly
